package com.dongdongshop.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.dongdongshop.config.SeckillAlipayConfig;
import com.dongdongshop.pojo.admin.TbUser;
import com.dongdongshop.pojo.order_item.TbOrderItem;
import com.dongdongshop.pojo.seckill_order.TbSeckillOrder;
import org.apache.rocketmq.client.producer.TransactionSendResult;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@Controller
@RequestMapping("seckillPay")
public class SeckillPayController {
    @Autowired
    private SeckillAlipayConfig seckillAlipayConfig;
    @Autowired
    private RedisTemplate redisTemplate;

    //秒杀商品支付
    @RequestMapping("seckillPay")
    @ResponseBody
    public String seckillPay() {
        TbUser user = (TbUser) SecurityUtils.getSubject().getPrincipal();
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(seckillAlipayConfig.getGatewayUrl(), seckillAlipayConfig.getApp_id(),
                seckillAlipayConfig.getMerchant_private_key(),
                seckillAlipayConfig.getFormate(), seckillAlipayConfig.getCharset(), seckillAlipayConfig.getAlipay_public_key(),
                seckillAlipayConfig.getSign_type());

        System.out.println("异步" + seckillAlipayConfig.getNotify_url());
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(seckillAlipayConfig.getReturn_url());
        alipayRequest.setNotifyUrl(seckillAlipayConfig.getNotify_url());

        TbSeckillOrder seckillOrder = (TbSeckillOrder) redisTemplate.opsForHash().get("seckillOrder", user.getUsername());
        if (null==seckillOrder){
            return seckillPay();
        }
        String out_trade_no = seckillOrder.getId().toString();
        String total_amount = seckillOrder.getMoney().toString();
        String subject = "秒杀";
        String body = "秒杀";
        alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                + "\"total_amount\":\"" + total_amount + "\","
                + "\"subject\":\"" + subject + "\","
                + "\"body\":\"" + body + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");


        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

    //同步回调地址
    @RequestMapping("return_url")
    public String return_url(HttpServletRequest request, String out_trade_no, String trade_no, String total_amount, Model model) {
        TbUser user = (TbUser) SecurityUtils.getSubject().getPrincipal();
        /*Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            try {
                valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            params.put(name, valueStr);
        }

        boolean signVerified = false; //调用SDK验证签名
        try {
            signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(),
                    alipayConfig.getSign_type());
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }*/

        //——请在这里编写您的程序（以下代码仅作参考）——
        if (true) {
            //商户订单号
            /*String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");
*/
            /*out.println("trade_no:"+trade_no+"<br/>out_trade_no:"+out_trade_no+"<br/>total_amount:"+total_amount);*/
            System.out.println("同步" + out_trade_no);
            System.out.println("同步" + trade_no);
            System.out.println("同步" + total_amount);
            model.addAttribute("out_trade_no",out_trade_no);
            model.addAttribute("trade_no",trade_no);
            model.addAttribute("trade_no",total_amount);
            return "paysuccess";
        } else {
            return "payfail";
        }
    }

    @RequestMapping("notify_url")
    @ResponseBody
    public String notify_url(HttpServletRequest request, @RequestParam(defaultValue = "") String out_biz_no, String out_trade_no, String trade_no, String trade_status, @RequestParam(defaultValue = "1") String out_request_no) throws AlipayApiException {
        /* System.out.println("进入异步调用");
        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
           *//* try {
                valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }*//*
            params.put(name, valueStr);
        }


            boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(),
                    alipayConfig.getSign_type());
            System.out.println("异步"+signVerified);
*/


        //——请在这里编写您的程序（以下代码仅作参考）——

	/* 实际验证过程建议商户务必添加以下校验：
	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
	4、验证app_id是否为该商户本身。
	*/
        if(true) {//验证成功
            System.out.println(">>>>>>成功");
            //商户订单号
          /*  String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //交易状态
            String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");*/
            System.out.println("异步"+out_trade_no);
            System.out.println("异步"+trade_no);
            System.out.println("异步"+trade_status);
            if(trade_status.equals("TRADE_FINISHED")){
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序

                //注意：
                //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
            }else if (trade_status.equals("TRADE_SUCCESS")){
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序

                }else {

                }

                //注意：
                //付款完成后，支付宝系统发送该交易状态通知
            }else {
            return "fail";
        }

            return "success";

            //调试用，写文本函数记录程序运行情况是否正常
            //String sWord = AlipaySignature.getSignCheckContentV1(params);
            //AlipayConfig.logResult(sWord);
        }

        //——请在这里编写您的程序（以上代码仅作参考）——
    }



